Home / 3,351.50-4,625.61-1,953.98

Finding the Fourth Proportional to 3,351.50, 4,625.61 and 1,953.98

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Solution

The fourth proportional to 3,351.50, 4,625.61 and 1,953.98 is: 2,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.50 : 4,625.61 = 1,953.98 : x
  2. Step 2: Convert to fraction form
    3,351.50/4,625.61 = 1,953.98/x
  3. Step 3: Cross multiply
    3,351.50x = 4,625.61 × 1,953.98
  4. Step 4: Simplify right side
    3,351.50x = 9,038,349.43
  5. Step 5: Solve for x
    x = 9,038,349.43/3,351.50
  6. Step 6: Final answer
    x = 2,696.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.